At the moment the exhaust valves or ports begin to open ... seriously turbo-boosted power has been too sudden for casual use on a motorcycle. Therefore exhaust energy is put to use as sound ...

Why is My Motorcycle Exhaust Smoking? Motorcycle exhausts are ... Oil can also enter the combustion chamber through worn valve guides, with the same results. The only solution is an engine rebuild.

First, some basics: If you want to get fuel into the combustion chamber and exhaust gases out, they must pass through the valves. The valves’ job is to let things in/out as well as contain the ...

as to how the dual-mode exhaust puts a grin on your face. He spends some time with a special Harley-Davidson motorcycle, likening the two weekend toys. But we all know what we’d rather have in ...

The audible result is the consistent ticking of the exhaust valve, which consistently opens ... Similar to the standard structure of a two-cylinder motorcycle engine, Harley-Davidson engines ...

By removing your muffler you increase your chances of burning your exhaust valves, melting plastics or your boots due to the change in heat distribution, and possible backfiring. Why risk harming ...

Valve overlap—that crucial interval when both the intake and exhaust valves are open, expressed in degrees of crankshaft rotation—is typically a fixed parameter and always a compromise.